public void Background_PatternYPositionTest() { BackgroundStyle target = new BackgroundStyle(); Assert.AreEqual(target.PatternYPosition, PDFUnit.Zero); PDFUnit expected = (PDFUnit)10; target.PatternYPosition = expected; Assert.AreEqual(target.PatternYPosition, expected); expected = -20; target.PatternYPosition = expected; Assert.AreEqual(target.PatternYPosition, expected); target.RemovePatternYPosition(); Assert.AreEqual(target.PatternYPosition, PDFUnit.Zero); }